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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-1916.949421
Energy at 298.15K-1916.949411
Nuclear repulsion energy489.309510
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYPultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1631 1562 0.00      
2 Ag 448 430 0.00      
3 Ag 242 232 0.00      
4 Au 97 93 0.00      
5 B1u 774 741 77.09      
6 B1u 318 304 0.04      
7 B2g 538 515 0.00      
8 B2u 890 853 218.94      
9 B2u 181 173 0.96      
10 B3g 978 937 0.00      
11 B3g 345 331 0.00      
12 B3u 295 283 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 3368.4 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 3226.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/6-31G*
ABC
0.05645 0.04556 0.02521

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.673
C2 0.000 0.000 -0.673
Cl3 0.000 1.461 1.602
Cl4 0.000 -1.461 1.602
Cl5 0.000 -1.461 -1.602
Cl6 0.000 1.461 -1.602

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.34671.73151.73152.70442.7044
C21.34672.70442.70441.73151.7315
Cl31.73152.70442.92234.33703.2046
Cl41.73152.70442.92233.20464.3370
Cl52.70441.73154.33703.20462.9223
Cl62.70441.73153.20464.33702.9223

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.447 C1 C2 Cl6 122.447
C2 C1 Cl3 122.447 C2 C1 Cl4 122.447
Cl3 C1 Cl4 115.106 Cl5 C2 Cl6 115.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 C -0.174      
3 Cl 0.087      
4 Cl 0.087      
5 Cl 0.087      
6 Cl 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.145 0.000 0.000
y 0.000 -58.551 0.000
z 0.000 0.000 -60.081
Traceless
 xyz
x -1.829 0.000 0.000
y 0.000 2.061 0.000
z 0.000 0.000 -0.233
Polar
3z2-r2-0.465
x2-y2-2.593
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.118 0.000 0.000
y 0.000 11.321 0.000
z 0.000 0.000 12.033


<r2> (average value of r2) Å2
<r2> 362.632
(<r2>)1/2 19.043